package com.atguigu.gulimall.order.interceptor;

import com.atguigu.common.constant.CartConstant;
import com.atguigu.common.vo.MemberRespVo;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class LoginInterceptor implements HandlerInterceptor {

    public static ThreadLocal<MemberRespVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        MemberRespVo attribute = (MemberRespVo) request.getSession().getAttribute(CartConstant.LOGIN_USER);
        if(attribute!=null){
            loginUser.set(attribute);
            return true;
        }else{
//            需要登陆
        }
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

        loginUser.remove();
    }
}
